Home / 8,172,804.42-11,277,482.49-4,687,962.66

Finding the Fourth Proportional to 8,172,804.42, 11,277,482.49 and 4,687,962.66

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Solution

The fourth proportional to 8,172,804.42, 11,277,482.49 and 4,687,962.66 is: 6,468,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,804.42 : 11,277,482.49 = 4,687,962.66 : x
  2. Step 2: Convert to fraction form
    8,172,804.42/11,277,482.49 = 4,687,962.66/x
  3. Step 3: Cross multiply
    8,172,804.42x = 11,277,482.49 × 4,687,962.66
  4. Step 4: Simplify right side
    8,172,804.42x = 52,868,416,811,923.83
  5. Step 5: Solve for x
    x = 52,868,416,811,923.83/8,172,804.42
  6. Step 6: Final answer
    x = 6,468,821.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.